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BQ25620: The OTG output of BQ25620

Charlie Xiao
Expert 7305 points
Part Number: BQ25620
Other Parts Discussed in Thread: BQ25629, BQ25628

Tool/software:

Hi BU expert,

Open the BQ25620 OTG, there is OTG voltage in PMIC pin. How about Vbus pin? Is the 0V or OTG voltage Vin pin?

Regards，

Charlie

  • 0
    TI__Mastermind 31120 points

    Hi Charlie, 

    For the BQ25620 OTG mode voltage is observed at both VBUS and PMID pins. The IC is designed such that VBUS is the OTG mode output, but PMID pin is also on the output of the boost converter when device is in OTG operation. 

    If your customer prefers OTG mode output at only PMID then they should consider BQ25628 or BQ25629. On these ICs 0V is observed at VBUS while in OTG mode. 

    Best Regards,

    Garrett